<template>
	<section>
		<!--工具条-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true" :model="filters">
				<el-form-item>
					<el-input v-model="filters.keyword" placeholder="关键字"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" v-on:click="getDepartments">查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">新增</el-button>
				</el-form-item>
			</el-form>
		</el-col>

		<!--列表-->
		<el-table :data="departments" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
			<el-table-column type="selection" width="55">
			</el-table-column>
			<el-table-column type="index" width="60">
			</el-table-column>
			<el-table-column prop="sn" label="编号" width="120" sortable>
			</el-table-column>
			<el-table-column prop="name" label="名称" width="180" sortable>
			</el-table-column>
			<el-table-column prop="state" label="状态" width="100" sortable>
				<template scope="scope">
					<span style="color: green;" v-if="scope.row.state === 0">正常</span>
					<span style="color: red;" v-else-if="scope.row.state === -1">禁用</span>
					<span style="color: gray;"v-else>未知</span>
				</template>
			</el-table-column>
			<el-table-column prop="manager.username" label="管理员" width="120" sortable>
			</el-table-column>
			<el-table-column prop="parent.name" label="上级部门" width="120" sortable>
			</el-table-column>
			<el-table-column label="操作" >
				<template scope="scope">
					<el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
					<el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
				</template>
			</el-table-column>

		</el-table>

		<!--工具条-->
		<el-col :span="24" class="toolbar">
			<el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
			<el-pagination layout="prev, pager, next"
						   @current-change="handleCurrentChange"
						   :page-size="pageSize"
						   :total="total"
						   :current-page="currentPage"
						   style="float:right;">
			</el-pagination>
		</el-col>

		<!--新增或编辑界面-->
		<el-dialog :title="title" :visible.sync="departmentFormVisible" :close-on-click-modal="false">
			<el-form :model="departmentForm" label-width="80px" :rules="departmentFormRules" ref="departmentForm">
				<el-form-item label="名称" prop="name">
					<el-input v-model="departmentForm.name" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="编码" prop="sn">
					<el-input v-model="departmentForm.sn" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="状态">
					<el-radio-group v-model="departmentForm.state">
						<el-radio class="radio" :label="0">正常</el-radio>
						<el-radio class="radio" :label="-1">禁用</el-radio>
					</el-radio-group>
				</el-form-item>

				<el-form-item label="管理员">
					<el-select v-model="departmentForm.manager" clearable value-key="id" placeholder="请选择"><!--clearable  可清除的下拉框属性-->
						<!--
						:key 当前选项的唯一标识  id
						:label 选中后展示到下拉列表中的值
						 :value 选中后传递给后端的值  默认不能传对象
						       如果value要传递一个对象，那么必须要添加：value-key属性
						-->
						<el-option
								v-for="item in employees"
								:key="item.id"
								:label="item.username"
								:value="item"><!--直接把对象赋值给模型层，需要添加：value-key属性-->
							<!--这两句代码表示下拉列表中展示的数据-->
							<span style="float: left">{{ item.username }}</span>
							<span style="float: right; color: #8492a6; font-size: 13px">{{ item.email }}</span>
						</el-option>
					</el-select>
				</el-form-item>
				<el-form-item label="上级部门">
					<el-cascader v-model="departmentForm.parent"
							:options="deptTree"
							:props="{
							checkStrictly: true,
							 label:'name',
							 value:'id'
							 }"
							clearable></el-cascader>
				</el-form-item>
			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="departmentFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="departmentSubmit" :loading="departmentLoading">提交</el-button>
			</div>
		</el-dialog>

	</section>
</template>

<script>
	import util from '../../common/js/util'
	//import NProgress from 'nprogress'
	import { getDepartmentListPage, removeDepartment, batchRemoveDepartment, departmentDepartment, addDepartment } from '../../api/api';

	export default {
		data() {
			return {
				filters: {
                    keyword: ''//关键字
				},
				title:"",
				departments: [],
                employees: [],
				total: 0,
                deptTree:[],
				currentPage: 1,
				pageSize:5,
				listLoading: false,
				sels: [],//列表选中列

				departmentFormVisible: false,//编辑界面是否显示
				departmentLoading: false,
				departmentFormRules: {
					name: [
						{ required: true, message: '请输入姓名', trigger: 'blur' }
					]
				},
				//编辑界面数据
				departmentForm: {
                    id: null,
                    name: "",
                    sn: "",
                    state: 0,
                    manager: null,
                    parent: null

                },

				addFormVisible: false,//新增界面是否显示
				addLoading: false,
				addFormRules: {
					name: [
						{ required: true, message: '请输入姓名', trigger: 'blur' }
					]
				},

			}
		},
		methods: {
			//性别显示转换
			formatSex: function (row, column) {
				return row.sex == 1 ? '男' : row.sex == 0 ? '女' : '未知';
			},
			handleCurrentChange(val) {
				this.currentPage  = val;
				this.getDepartments();
			},
			//获取用户列表
			getDepartments() {
			    //DepartmentQuery
				let para = {
					currentPage: this.currentPage,
					pageSize:this.pageSize,
                    keyword: this.filters.keyword
				};
				this.listLoading = true;//开启忙等框
				//NProgress.start();
				//使用axios发送请求，从pethome拿数据 http://localhost:8080/dept/list
				this.$http.post("/dept/list",para)
					.then(result=>{
                        this.listLoading = false;//关闭忙等框
					    console.log(result);
					    result = result.data;
					    this.departments = result.rows;
						this.total=result.total;
					})
					.catch(result=>{
					    console.log(result);
                        this.$message({
                            message: '系统繁忙，稍后重试！！！',
                            type: 'error'
                        });
					})

			},
			//删除一条数据
			handleDel: function (index, row) {
				this.$confirm('确认删除该记录吗?', '提示', {
					type: 'warning'
				}).then(() => {
				    //开启忙等框加载
					this.listLoading = true;
					//开始发起axios异步请求
					this.$http.delete("/dept/"+row.id)
						.then(result=>{
						    //后端执行成功后
							//关闭忙等框
							this.listLoading=false;
							//获取后端返回的ajaxresult对象
							result =result.data;
							//判断返回的ajaxresult对象是执行成功的还是执行失败的
							//然后将后端或者自定义提示显示到前端
							if (result.success){
                                this.$message({
                                    message: '操作成功！',
                                    type: 'success'
                                });
							}else {
                                this.$message({
                                    message: result.message,//提示后端的业务错误
                                    type: 'error'
                                });
                            }
                            //然后刷新页面，定位到第一页（根据需求，也可以不定位到第一页）
							this.currentPage=1;
							this.getDepartments();
						})
						.catch(result=>{
						    //请求后端失败也许要先关闭忙等框
							this.listLoading = false;
							//打印下错误结果，不然可能都找不到哪里在报错
							console.log(result);
                            //1.提示
                            this.$message({
                                message: '系统繁忙，稍后重试！！！',
                                type: 'error'
                            });
                            //2.刷新页面 要   是否需要定位到第一页
                            this.currentPage = 1;
                            this.getDepartments();

                        })
				}).catch(() => {

				});
			},
			//显示编辑界面
			handleEdit: function (index, row) {
			    this.getDeptTree();//获取部门树
                this.title="编辑";
				this.departmentFormVisible = true;
				this.departmentForm = Object.assign({}, row);
				let dirPath = row.dirPath;
				if (dirPath){
                    dirPath = dirPath.split("/");// ["","51","52","53"]
                    let parent = [];
                    for(let i=1; i<dirPath.length-1; i++){
                        parent.push(parseInt(dirPath[i]));
                    }//  [51,52]
                    console.log(parent);
                    this.departmentForm.parent = parent;

                }
			},
			//显示新增界面
			handleAdd: function () {
                this.getDeptTree();//获取部门树
			    this.title="添加";
				this.departmentFormVisible  = true;
				this.departmentForm  = {
                    id: null,
                    name: "",
                    sn: "",
                    state: 0,
                    manager: null,
                    parent: null
				};
			},
			//编辑
			departmentSubmit: function () {
				this.$refs.departmentForm.validate((valid) => {
					if (valid) {
						this.$confirm('确认提交吗？', '提示', {})
							.then(() => {
							this.departmentLoading = true;
							//NProgress.start();
							let para = Object.assign({}, this.departmentForm);
                                //处理后端需要的数据格式
                                let parent = para.parent;//[1,12]  {id:12}
                                if(parent){//只有不为空的时候，才做操作
                                    para.parent = {"id":parent[parent.length -1]}//拿到数组中的最后一个元素
                                }

                                this.$http.put("/dept",para)
                                .then(result=>{//后端执行完成了
                                    this.departmentLoading = false;//关闭按钮加载忙等
                                    result = result.data;//  AjaxResult
                                    //{success:true,message:操作成功}
                                    //{success:false,message:操作失败}
                                    //1.提示
                                    if(result.success){
                                        this.$message({
                                            message: '操作成功！',
                                            type: 'success'
                                        });
                                    }else{
                                        this.$message({
                                            message: result.message,//提示后端的业务错误
                                            type: 'error'
                                        });
                                    }
                                    //2.刷新页面  是否需要定位到第一
                                    this.currentPage = 1;
                                    this.departmentFormVisible = false;
                                    this.getDepartments();
                                })
                                .catch(result=>{
                                    this.departmentLoading = false;//关闭按钮加载忙等
                                    console.log(result);
                                    //1.提示
                                    this.$message({
                                        message: '系统繁忙，稍后重试！！！',
                                        type: 'error'
                                    });
                                });

                        });
					}
				});
			},

			selsChange: function (sels) {
				this.sels = sels;
			},
			//批量删除
			batchRemove: function () {
				var ids = this.sels.map(item => item.id);
				this.$confirm('确认删除选中记录吗？', '提示', {
					type: 'warning'
				}).then(() => {
                    //开启忙等框加载
                    this.listLoading = true;
                    //开始发起axios异步请求
                    this.$http.patch("/dept/",ids)
                        .then(result=>{
                            //后端执行成功后
                            //关闭忙等框
                            this.listLoading=false;
                            //获取后端返回的ajaxresult对象
                            result =result.data;
                            //判断返回的ajaxresult对象是执行成功的还是执行失败的
                            //然后将后端或者自定义提示显示到前端
                            if (result.success){
                                this.$message({
                                    message: '操作成功！',
                                    type: 'success'
                                });
                            }else {
                                this.$message({
                                    message: result.message,//提示后端的业务错误
                                    type: 'error'
                                });
                            }
                            //然后刷新页面，定位到第一页（根据需求，也可以不定位到第一页）
                            this.currentPage=1;
                            this.getDepartments();
                        })
                        .catch(result=>{
                            //请求后端失败也许要先关闭忙等框
                            this.listLoading = false;
                            //打印下错误结果，不然可能都找不到哪里在报错
                            console.log(result);
                            //1.提示
                            this.$message({
                                message: '系统繁忙，稍后重试！！！',
                                type: 'error'
                            });
                            //2.刷新页面 要   是否需要定位到第一页
                            this.currentPage = 1;
                            this.getDepartments();

                        })
				}).catch(() => {

				});
			},
			getEmployees(){
			    this.$http.get("/employee")
					.then(result=>{
					    result = result.data;
					    this.employees=result;
					})
			},
			getDeptTree(){
				this.$http.get("/dept/tree")
					.then(result=>{
					    result = result.data;
					    this.deptTree = result;
					    console.log("============================")
					    console.log(this.deptTree);
					})
			}
		},
		mounted() {
		    //页面加载完毕，调用pethome拿出数据
			this.getDepartments();
			this.getEmployees();
		}
	}

</script>

<style scoped>

</style>